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It's easier than ever to browse online for things like food, clothes and airplane tickets right from the comfort of your couch. But, with so many different sites, how do you know you're getting the best bang for your buck? Luckily, the internet browsers we use have the option of installing different plugins that may end up saving you money. Check out this Coinage video to see how these browser plugins are the internet shopping's best kept secret for saving cash. Trust us, you'll want to install these immediately.